Add set ip with new IpSettingsDialog.

src/dialogs/IpSettingsDialog.h

@@ -20,12 +20,18 @@ protected:
 private:
     void init();
 
+private slots:
+    void handleDhcpClicked();
+    void handleThreadStart();
+    void handleThreadExit();
+
 private:
     QLabel* mErrorText;
     ImageSwitch* mDhcpButton;
     ULineEdit* mIpAddress;
     ULineEdit* mSubnetMask;
     ULineEdit* mGateway;
+    QThread* mThread;
 
 };